Core wrapping machine



Oct. 31, 1933. E. WATCHORN CORE WRAPPING MACHINE Filed Sept. 11, 1929ATTOP/VEY #10 mission in the o it form of a quad, which y or may not beused the shaft revolves but the bearing 2 also carries 25 ,factur 35 theedg the r np. a device r stantially as shown in Fig. Swith the edgesfolded to Patented Get. 31, l I

coat: WRAPPING MACHINE I p r Vi/atchorn, Aldwych, London, England, or totVestern Eiectric Company, Incorporated, New York, N. 31., a corporationof New Application September 11, 1929, Serial N0. 331,873, and inCzechoslovakia. September 15, 1928 6 Claims. ((31. 117-41) inventionrelates to improvements in or ries a driving pulley fora head 6. A die'lis apperte achinerior EtSSGIi'ibilll paper mounted upon the bearing 2at the end of the strips about a r etan'c core, and particularly shaft4: and through this die is drawn a metallic to machines Ear inal datedelectrostatic ribbon and one or more paper strips. 7 Themetallicmication cabies. ribbonis contained on the drumiS, the paper (,0I in; cable systems, strips being contained on the drums9 and 10. inwhich cert 1 uped together for The strips from these drums are drawnthrough transmission in one direction are assembled at the die 7, themetallic ribbon beingpreferably one p the cab a circuits fortranssituated between two paper strips, the motion beection are groupedtoing caused by means of the capstan 11 driven in pp gether in th cable,.touse an any suitable manner and situated on the other W eiectrosta' cscreen between the two groups to side of a supporting die 12, carried onthe bed 1, preventinterici once between "hem. as shown. A suitabletake-up reel 13 is provided. In quaded this screen is usually the Thebearing 2 is a bearing for the shaft 4 in which it) for transmission butw cannot be used for t and supports the non-revolving steel bar 14 whichwire repeater operati: This is obviously rather extends completelythrough the shaft 4 and the uneconomical and reover the structure of ahead 6 and carries the member 15 which is shown quar s -e be t designfor screening purposes. in further detail in Figs. 2, 3, 4: and 5. TwoOther forms of screens to. replace brackets 16 of the member 15 aresecured to the the screening the ob ect of the p esent bar it and carryguide members 17 as shown in invention to provide a mac.- me for ma g anFig. 4;. These guide members are separated by improved form oi suchseparator screen, by a small distance suiiicient to enable the metallicuse of w oh the screen mate be manuribbon at to pass between them. Itwill be seen 11 the form a contnuous ribbon havfrom Fig. 2 that themembers 17 are reduced in ia special unifo structure her-matter dewidthand have thin edges converging towards scribed. the output end. vThewidth at the input end According to the nvention a machine comas shownin Fig. 4 is sufficient to allow the paper prises meai ying to ametallic on strip 6 to enter the passage provided and owing 39 one orbotl es of .t, strip of paper, eventually to the curvature ofthe guidemembers and its to act tor, and means for causing the converging form,the edges of the strip are i of Said $011 a d p, turned over as shown inFig. 5, so that on withand including formin s for drawal from'the member15 the ribbon a has turning towards or away from the znetal'rib'oon neither side of it a paper strip shaped subg a binding tithe smut metalribbon under. The members 1'? constitute means for atoll turning theedges of the paper strip under toggj gures or toe imren ion W11: appear iward the metal ribbon, in other words, doubling the W 1 111 j Y "f theedges back upon the paper strip; similar re- 5163 e 9310? memacflmelsuits can be accomplished to a degree by turning 1 ed scale theedges of the paper strip away from the metal 9 1 E J ribbon and doublingthem back upon the paper Slit-9 the palm snow strip. At the end of thebar 14c a smoothing die Mag 1 a I 20 is preferably provided, whichpresses the paper a 05mm m A A of strips 19 upon the metallic ribbon at.Mounted on the head 6 is a reel 18 carrying a paper pad 19. When thehead is rotated simultaneously with rotation of the capstan 11 the papertape C from the pad 19 is wrapped about the composite strip $61,692 andfrom the output of the die 20, the strip beingv sup- '7 shows the finaistrip after leaving the ported by the projection 21 0f the b r so thatmashing p a final structure substantially as shown in Fig. 7

On a bed" 1 are supported the fixed bearings is produced. j Usually itis preferable to provide 2 and 3 of a hollow revolvable shaft 4, whichcara paper strip b on both sides of the metallic rib- L10 i a section onthe line B-Bof 6 is a cros. section of a composite strip produced a inthe manufacture the bon a but if desired one paper strip only may beprovided.

It is, of course, obvious that many of the constructional features ofthe above machine may be varied without altering its function.

What is claimed is:

1. A machine for assembling paper strips about a metallic core,comprising in combination means for placing on one or both sides of ametallic ribbon a strip of paper, eventually to act as a separator,means for causing a continuous longitudinal movement of said ribbon andstrip and further means including a guide member for doubling back uponitself towards or away from the metal ribbon the edges of the paperstrip, and a device for Wrapping a binding tape about the metal ribbonand separator strip.

2. A machine according to claim 1, characterized in this, that saidguide member comprises two curved and convergent channels with anopeningtherebetween for the passage of the metal ribbon.

3L 'A IlfltChlIl(-l"l1'l accordance with claim 1, in

asmoothing die lies beyond the saidfurther means and is traversed by thecore and strip.

1 4. A machine according to claim 1, in which a rigid support 'liesbeyond the said further means fol-supporting the core and strip at thepoint of application of the binding tape.

6. A machine for laying a long, flexible strip of material upon anotherstrip of material with the edges of the flexible strip folded ina mannerto make the edge portions double upon a side of the other strip, Whichcomprises means for laying the strips together, means for drawing themparallel to one another in a longitudinal direction, a shaping die forthe flexible strip lying in the path of its longitudinal motion, saiddie having an inlet opening Wide enough to receive the flexible strip ina position not more than slightly curved in cross section, and a bodyand an 'end portion narrowed and shaped to double the edges of theflexible strip back upon the body of the flexible strip. 7

' EDWARD WATCHORN.

